Review Request 119275: Fix: Same variable in camelCase and REQUIRED_HEADERS doesn't export all headers

[Aleix Pol Gonzalez]

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Is this because of the usage of list(APPEND)? Maybe using set(.. PARENT_SCOPE) for appending would do the trick as well?

- Aleix Pol Gonzalez


On July 14, 2014, 6 p.m., Andreas Xavier wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/119275/
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> 
> (Updated July 14, 2014, 6 p.m.)
> 
> 
> Review request for KDE Frameworks, Alex Merry and Michael Pyne.
> 
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> Repository: kcoreaddons
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> 
> Description
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> 
> Using the same variable name for var1 and var2 in the new ecm_generate_headers() syntax, when it is called more than once only exports the headers from the first invokation of ecm_generate_headers(), where var1 and var2 are defined as follows.
> 
> ecm_generate_headers(var1
> ...
>     REQUIRED_HEADERS var2
> )
> 
> It doesn't show up in existing builds because cmake doesn't delete old header files.
> 
> 
> Steps to Replicate the Problem:
> 1. Delete the existing header files for KCoreAddons and the existing build files.
>    rm -r $KF5/KcoreAddons
>    rm -r <your kcoreaddons/build directory>
> 2. Re-build kcoreaddons from a new build dir
>    cmake -DCMAKE_INSTALL_PREFIX=$KF5 ..
> 3. Check in $KF5/KcoreAddons and there should only be these headers:
>    KAboutData  kaboutdata.h  kcoreaddons_export.h
>    
>    
> Solution:
> This patch solves the problem by changing the name of var2 to KCoreAddons_HEADERS_lowercase and exporting both KCoreAddons_HEADERS and KCoreAddons_HEADERS_lowercase.
> 
> Extended Solution:
> If this patch is approved, then I will 
> 1. Submit patches to the other frameworks using ecm_generate_headers() in this fashion.
> 2. submit a patch to extra-cmake-modules to warn when var1 and var2 have the same name. 
> 
> 
> Diffs
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>   src/lib/CMakeLists.txt 26eb5a1 
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> Diff: https://git.reviewboard.kde.org/r/119275/diff/
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> 
> Testing
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> Compiled kcoreaddons, then checked that all headers generated and exported.
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> Ran unittests.
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> 
> Thanks,
> 
> Andreas Xavier
> 
>

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